Monsters / Wyvern

Wyvern

CR 6 - 2,400 XP - N Large Dragon

Stat block

AC19 (touch 10, flat-footed 18)HP73 (7d12+28)SavesFort +9, Ref +6, Will +8Meleesting +10 melee (1d6+4 plus poison), bite +10 melee (2d6+4 plus grab), 2 wings +5 (1d6+2)Speed20 ft., fly 60 ft. (poor)AbilitiesStr 19, Dex 12, Con 18, Int 7, Wis 12, Cha 9BAB / CMB / CMD+7 / +12 / 23Sensesdarkvision 60 ft., low-light vision, scent; Perception +18Environmenttemperate or warm hills
immune sleepimmune paralysis

Combat brain - every behavior cites its line (9 rules)

Built only from this entry: stat-block special attacks, the printed Int score, the creature type, its feats and senses, and the behavioral prose of its own description. Nothing invented - an uncited behavior is a test failure.

grapple-grab (from melee)
melee: sting +10 melee (1d6+4 plus poison), bite +10 melee (2d6+4 plus grab), 2 wings +5 (1d6+2) - grab rides the hit
pack-hunter (from lore)
Though they occasionally hunt in small groups for large prey, they are generally solitary creatures, hunting in areas ranging in size from 100 to 200 square miles.
territorial (from lore)
Wyverns are territorial creatures.
flee-when-hurt (from lore)
Although far from animalistic in intellect, and capable of speech, most wyverns simply can't be bothered with the subtlety of diplomacy, and prefer to fight first and ...
flyby (from feats)
feats: Flyby Attack + fly speed - strike and wing away each pass
scent-tracking (from senses)
senses: scent - hidden prey is found, not lost
bruiser (from abilities)
abilities: Str 19 over Dex 12 - plant and full-attack, soak the hits
strikes-first (from feats)
feats: Improved Initiative - it moves before you do
night-hunter (from senses)
senses: darkvision 60 ft., low-light vision, scent; Perception +18 - hunts where prey is blind

On-hit riders and breath

rake1d6+4

From the entry

The save DC is Constitution-based. Sting: Wyverns are nasty, brutish, and violent reptilian beasts akin to more powerful dragons. They are always aggressive and impatient, and are quick to resort to force in order to accomplish their goals. For this reason, dragons generally look down upon wyverns, considering their distant cousins nothing more than primitive savages with a distinct lack of style or wit. In most cases, this generalization is spot-on. Although far from animalistic in intellect, and capable of speech, most wyverns simply can't be bothered with the subtlety of diplomacy, and prefer to fight first and parley later, and even then only if faced with a foe they can neither defeat nor flee from. Wyverns are territorial creatures. Though they occasionally hunt in small groups for large prey, they are generally solitary creatures, hunting in areas ranging in size from 100 to 20...